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Finding the Fourth Proportional to 101,503.38, 152,307.57 and 73,653.05

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Solution

The fourth proportional to 101,503.38, 152,307.57 and 73,653.05 is: 110,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,503.38 : 152,307.57 = 73,653.05 : x
  2. Step 2: Convert to fraction form
    101,503.38/152,307.57 = 73,653.05/x
  3. Step 3: Cross multiply
    101,503.38x = 152,307.57 × 73,653.05
  4. Step 4: Simplify right side
    101,503.38x = 11,217,916,503.69
  5. Step 5: Solve for x
    x = 11,217,916,503.69/101,503.38
  6. Step 6: Final answer
    x = 110,517.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.